main()//唐子豪
{
    int i,j,n=13;
    printf("N=");
    while(n>12)
        scanf("%d",&n);
    for(i=0;i<=n;i++){
        for(j=0;j<12-i;j++) printf(" ");
        for(j=1;j<i+2;j++)printf("%6d",c(i,j));
        printf("\n");
    }
}
    int c(x,y)
        int x,y;
        {
            int z;
            if((y==1)||(y==x+1)) return(1);
            z=c(x-1,y-1)+c(x-1,y);
            return(z);
        }